Prefix Information

The prefix 813 is part of area code 443 serving Baltimore, Maryland.

This exchange contains 10,000 possible phone numbers (443-813-0000 through 443-813-9999).

Browse Numbers in This Prefix

443-813-0000-0999 443-813-1000-1999 443-813-2000-2999 443-813-3000-3999 443-813-4000-4999 443-813-5000-5999 443-813-6000-6999 443-813-7000-7999 443-813-8000-8999 443-813-9000-9999

Sample Numbers

(443) 813-0000 (443) 813-1234 (443) 813-2000 (443) 813-3333 (443) 813-4444 (443) 813-5555 (443) 813-6000 (443) 813-7777 (443) 813-8888 (443) 813-9999